---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-009587"
form_type: "8-K"
ticker: "SSKN"
cik: "0001051514"
company_name: "STRATA Skin Sciences, Inc."
filed_at: "2025-03-20T23:59:59+00:00"
generated_at: "2026-05-24T09:41:27.684619+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# STRATA Skin Sciences highlights clinical study showing excimer laser superiority over excimer light

## Summary
- Published study from Nippon Medical School shows excimer laser penetrates deeper into hair follicles and activates more melanocyte stem cells than excimer light.
- Laser delivers 1,000 mJ/cm² in one second vs 20 seconds for excimer light, with less DNA damage and epidermal side effects.
- Over 100 XTRAC excimer lasers placed in Japan since 2019, including 24 in 2024; global installed base exceeds 2,800 units.
- CEO states study validates XTRAC's technological advantages for treating vitiligo, psoriasis, alopecia areata, and atopic dermatitis.

## SEC filing metadata
- accession: 0001140361-25-009587
- form_type: 8-K
- ticker: SSKN
- cik: 0001051514
- company_name: STRATA Skin Sciences, Inc.
- filed_at: 2025-03-20T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1051514/000114036125009587/0001140361-25-009587-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1051514/000114036125009587/ef20045839_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-009587
- JSON: https://secwatch.observer/filing/0001140361-25-009587.json
- Plain text: https://secwatch.observer/filing/0001140361-25-009587.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.